API REG Thread 2 3/8", 2-7/8", 2-7/8 IF , 3 1/2" DTH Drill Pipe D76-144mm Product Description: Down th hole drill pipes play a significant role in all ...
Product Description Down th hole drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill .....
API 2 3/8" Reg-API 4 1/2"Reg DTH Drill Rods With Length 1-9m Product specifications: Sollroc DTH drill rods with several different thickness designs ....
5.5" API Reg IF Beco DTH Drill Pipe Drilling Rods Tubes Civil Engineering Product specifications: DTH drill pipes are widely used in mining,water well ...